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1259948-65-6

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1259948-65-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1259948-65-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,9,4 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1259948-65:
(9*1)+(8*2)+(7*5)+(6*9)+(5*9)+(4*4)+(3*8)+(2*6)+(1*5)=216
216 % 10 = 6
So 1259948-65-6 is a valid CAS Registry Number.

1259948-65-6Downstream Products

1259948-65-6Relevant articles and documents

Novel aromatic fluoroolefins via fluoro-Julia-Kocienski olefination

Allendoerfer, Nadine,Es-Sayed, Mazen,Nieger, Martin,Braese, Stefan

experimental part, p. 3439 - 3448 (2010/12/19)

Fluoroolefins, which play an increasingly important role as peptide mimics in pharmaceuticals and as crop protection agents, are generated using a fluoro-Julia-Kocienski olefination. Their preparation can easily be accomplished using a Mitsunobu reaction and subsequent oxidation to generate the required benzothiazolyl sulfones. The key step of this process was the electrophilic -fluorination of the sulfone with N-fluorobenzenesulfonimide. The last stage of the successful synthesis of the fluoroolefins was the modified Julia-Kocienski olefination under basic conditions. Further functionalization was followed with the application of a Suzuki reaction. Georg Thieme Verlag Stuttgart.

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